13799808 has 160 divisors (see below), whose sum is σ = 45171720. Its totient is φ = 4181760.

The previous prime is 13799803. The next prime is 13799827. The reversal of 13799808 is 80899731.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13799803) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1254523 + ... + 1254533.

Almost surely, 2^13799808 is an apocalyptic number.

13799808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13799808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22585860).

13799808 is an abundant number, since it is smaller than the sum of its proper divisors (31371912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13799808 is an frugal number, since it uses more digits than its factorization.

13799808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 16 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 13799808 is about 3714.8092817802. The cubic root of 13799808 is about 239.8599182538.

The spelling of 13799808 in words is "thirteen million, seven hundred ninety-nine thousand, eight hundred eight".